package com.atguigu.gulimall.order.web;

import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.vo.SubmitOrderRespVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.math.BigDecimal;
import java.util.concurrent.ExecutionException;

/**
 * @version 1.0
 * @Author yanjingren
 * @Date 2021/7/6
 * @Description com.atguigu.gulimall.order.web
 */
@Controller
public class OrderWebController {

    @Autowired
    private OrderService orderService;

    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo orderConfirmVo = orderService.confirmOrder();
        model.addAttribute("orderConfirmData", orderConfirmVo);
        return "confirm";
    }

    @PostMapping("/submitOrder")
    public String submitOrder(@RequestParam("addrId") Long addrId,
                              @RequestParam("orderToken") String orderToken,
                              @RequestParam("payPrice") BigDecimal payPrice,
                              Model model,
                              RedirectAttributes redirectAttributes) {

        OrderSubmitVo orderSubmitVo = new OrderSubmitVo();
        orderSubmitVo.setAddrId(addrId);
        orderSubmitVo.setOrderToken(orderToken);
        orderSubmitVo.setPayPrice(payPrice);

        SubmitOrderRespVo submitOrderRespVo = orderService.submitOrder(orderSubmitVo);
        if (submitOrderRespVo.getCode() == 0) {
            // 成功
            model.addAttribute("submitOrderResp", submitOrderRespVo);
            return "pay";
        } else {
            // 失败
            String msg = "下单失败";
            switch (submitOrderRespVo.getCode()) {
                case 1:
                    msg += "，订单信息过期，请刷新再提交";
                    break;
                case 2:
                    msg += "，订单商品价格发生变化，请确认后再次提交";
                    break;
                case 3:
                    msg += "，商品库存不足";
                    break;
            }
            redirectAttributes.addFlashAttribute("msg", msg);
            return "redirect:http://order.gulimall.com/toTrade";
        }
    }
}
